95% Polyester 5% Spandex. Close fit. Unlined. Off the shoulder, sweetheart neckline. Back zipper with elastic gripper at back neckline. Slight flare, long sleeve. Maxi length58" from highest point of shoulder on size 18High-stretch knit. Machine wash cold gentle cycle with like colors. Only non-chlorine bleach when needed. Do not tumble dry. Lay flat to dry. Cool iron as needed.